Jar for fruit and other purposes



Feb. 7,1928. 1,658,058

F. P. PRxNDLE JAR FOR FRUIT AND OTHER PURPOSES Filed Feb. l, 1922 IN VEN TOR BYZS A TTORNE Ys Fels, '27, 1928. f Y' Uhl l T D STAT E S PAT E NT l(HTFIC'E FRANK P. rnrnnnn'or New BRITAIN, connnc'rcum'. l

JAR non FRUr'r AND OTHER PURPsEs.

application ined February 1, 1922. serial no. 533,143.

This invention relates to improvements in lor the purpose ot' permitting vthe jarsftobe jars for fruits and for other purposes. stacked,' lon e abovethe other,V andit will be This invention has as an object the pronoted that the'lugs are sutliciently high so vision of jar which may be used l'or prethat there will be no contact with the clamp- 60 serving fruits by either a'hot or a cold proc* Ving means. The jars: are prevented from ess of hermetic sealing.v y lt Vhas as a 'furslipping' ofi from the lugsl 14 bythe annular ther object the provision or" means t'or toro enlargements 3 formed' at thev bottomsof the ingout substantially' all oif the trom the jars. i y y jar'when sealing'it, and means tor securely t kThe clamping bar 8AV shownwwithtwo 65 aiizing the cover tothe jar. further olotwistsA in it for the purpose ofi/giving riject ot the inventionisto provide improved gidity inthe vicinity of the pivot lland the means tor clamping' the cover to the jar clamp l0, and also for imparting yto the ends without dungen 01" breaking the at a thereof acertain amount of'resi'liency so weak' point, and also without involving any that the hooksQ will engagejthe shoulders 7c risk of allowing air to enter the jar after with suthcient clamping pressures'. y y clamping on the cover. A still liurther'object The manner in which such jar 4used of the invention is to provide means on the will he appa-rent from the above description7 jars or covers whereby they may be stacked and it will be sulli'cientY to say that .when the on top oeach other in a secure manner withar is filled 'with fruit or other mate-rial the 75 out contacting with the clamping means. cover is placed upon the a1' witlrthe/ gasket These objects are accomplished by the dein proper position and with the hooks 9 vice of the'pre'sent invention, and the follow touching beneath the enlargement 2. The ing description constitutes' a preferred em- .cani-leverl()V is then swung` overandclamped bodim'e'nt thereof.` This preferredV embodidown upon the har 8, thus locking thel cover 8 ment is illustrated in the accompanying 'securely yand tirmly'in place so as Ato provide drawing, Ywhich ormspartvot the speciticaavhermetic seal for 'the jar. lIt is to he tionf'and in which noted that the gasket is jnot flatin form,

Figure l illustrates a jar having a'cove'r and this is an advantage since theco'mpresclamped'thereto; v sion of the roundfgasketused in the present Se Fig. Qshows the methodot stacking the invention causes a distortion thereof 'where-Y jarg, and" by all crevices or irregularities are lilled'and Fig. 3 shows in perspective 'acamnlever entry or escape of air is made impossible. usedfin clamping the cover to the Theg'ar may be u'sed for cold canning procln said drawing, there; is'sho'wn a jar l esses aswell as hot canningprocesses, and ou which may be used for fruit or for other it will be evident that in either case'theconsubstances, which'jar is provided with an ical -forinof thecovercauses lthe air to be annular enlargement 2' at its upper periphexpelled out ytowardsfthe sides asthe cover ery, and an annular depending portion Sat is lowered softhat when itiirmly engages the its loweri'periphery. A cover Il of conical gasket the air willxhave escaped treinth'ees 40 cross section on its under side, as shown at can, assuming the latter to have been filled 5, serves to close the jar, and this cover has with fruit to the proper level. The removal a substantially iight-angled. recess of annuof air is important in preserving the contentsl lar form for the purpose of accommodating ot' the jar, and this is particularly true in cold round annular `gasket 7. of the iar is bevelled so as to provide an antion is relied upon. The same advantages exnular pocket to receive said gasket. A ist when a process of heat sterilization is perclamping har 8 having hooks 9 is mounted formed, andin this event further air may bc above the cover and has secured thereto a expelled by boiling or by vacuum processes camslever 10 by means of a pivot or journal so that all the air may be removed from the 105 5.o li. This cam-lever l() has a cam portion l2 jar and its contents, and the small. amount which engages a recess 13 on the top of the of air remaining as atmosphere above the cover when in locking engagement. The bar contents at the top ot' the jar, will be expelled S is yieldahle so that when the cam-lever is by the conical surfaces Vof the cover. The vpushed down a tight vengagement between total expulsion of air may therefore be acthe cover and the jar will be made possible. complished in such a hot sterilization proc- Luge le are provided preferably on the cover ess, and development et aerobic bacteria will The upper edge calming processes where no heat steriliza- 10c y 

